Operations with Functions

Evaluate f(-2) if f(x) = x+3

• -1
• 1
• 5
• -5

Tags

CCSS.HSF.IF.A.2

Given 
f(x)= 2x² + 5x - 17, find f(-1). 

• f(-1) = -20
• f(-1) = -24

Tags

CCSS.HSF.IF.A.2

Given

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find f(x) - g(x).

• x² + 8x + 1

• x² - x - 8

• 5x² + 8x - 1

• x² - 8x - 8

Evaluate f(x)= -2x²+ 1 for f(-3)

• 19

• 37

• -17

• -11

Given g(x) = -2x+2 and f(x) = 3x²+4, find f(x) + g(x)

• x² +6

• 3x² - 2x + 6

• 3x² + 2x + 2

• 11

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1

Tags

CCSS.HSF.IF.A.2

Given h(x) =

(-x)²+3x, find h(5).

• h(5) = 40

• h(5) = -10

Given

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find f(x) + g)(x).

• 11x² - 1

• 5x⁴ + 6x² - 1

• 5x² + 6x - 1

• 5x² + 8x - 1

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f - g)(x).

• x² + 8x + 1
• x² + 6x - 1
• 5x² + 8x - 1
• x² + 8x -1

Tags

CCSS.HSF-BF.A.1B

Given f(x) = 3x - 1 and g(x) = x - 4, find f(x)  $\cdot$  g(x)

• 3x - 13x + 4

• 3x² -13x + 4

• 3x² + 13x + 4

• 3x2 -13x - 4